Down The Hole Air Rock Drill Bits BR2 Alloy Steel For Ore Mining , Erosion Resistant Description Down the hole hammers are connected with down the hol...
Description Now high-pressure down-hole drilling, the current design of the face there are four main forms: the convex surface type, the end surface o...
Retract Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material Top Hammer Drill Bits are made by high quality alloy steel bar ...
Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material 1. use high quality alloy steel, good wear resistance. 2. under ...
Normal Internal thread GT60 Top Hammer Drill Bits Cemented carbide steel Raw material 1. Long life of the drill bit: the alloy just has a long service...
SP480 Diameter 115-140mm DTH Drill Bits Cemented carbide steel Description Hunan New Diamond offers top quality DTH hammers and bits which have been t...
Description Thread button drill bits are made by high quality alloy steel bar and tungsten carbides. Through heat treatment, our drilling tools are to...
Alloy Steel DTH Drill Bits Mission40 Hard Rock Drill Bits FOR Coal Mine Description Hunan New Diamond offers top quality DTH hammers and bits which ha...
Description Thread button drill bits mine drilling bit adopt high quality steel and tungsten carbide to ensure product quality. With superior wear res...